Help on replacing Bank1 Sensor 1 Lambda

[crazybeeliuzhe]

Hi Guys,



I have a 2004 fabia 1.2 htp azq. Recently the EPC light is on again and after scanning i found the following interesting things

17511 - Oxygen (Lambda) Sensor Heating; B1 S1: Performance too Low

P1103 - 35 -10 Intermittent

16555 - Fuel Trim; Bank1 : System Too Lean

P0171 - 35 -10 Intermittent



These two error codes was found last winter and after i clear them, the don't come back. So i didn't pay attention. It seems this time the ECU decided to throw EPC light to alert me again, probably because the sensor's performance is getting worse.

Should I replace the Sensor 1?After searching around, Found that the sensor 1 is on top of the engine, so replacing by myself should be easy. Today i confirm the location of the sensor but i cannot find the plug of it. Does anyone of you can help me to point out the location of the sensor's plug?

You can find the picture of the engine as below:

https://onedrive.live.com/redir?resid=F0B1DDAC62C5DD53!11714&authkey=!AAivlK6Hcq_Av-k&v=3&ithint=photo%2cjpg

BTW, it's nice if you can recommend me a seller for the sensor. On ebay, there are some very cheap ones only for about 30 euro. are they trustable?

 

[Joske]

Hello,

de lambdasensor G39 itself is sitting above de exhaust manifold as you can see on the picture below: (number 4)



De connector you can see on the next picture:




Also did you check the fuses? Number 9 is the one for the lambdasensor.

If you use a program like VAGCOM or VCDS you can read the measurementblocks 030 and 033, where you can see if the lambda is adjusting normally or not.

And does your cooling water reach normal temperatures?

If I look for the sensor in the database I find 1K0998262H, it do cost 175 euro in Europe. So if you find a new one for 30 euro... it's probably counterfeit I guess? (replica). Pay attention to the fact that you need an connector with 6 poles for the AZQ-engine. (AWY = 4 poles)

Hopefully you can do something with this information,

good luck in advance

 

[crazybeeliuzhe]

Hello,

de lambdasensor G39 itself is sitting above de exhaust manifold as you can see on the picture below: (number 4)

Bekijk bijlage 48089

De connector you can see on the next picture:

Bekijk bijlage 48090


Also did you check the fuses? Number 9 is the one for the lambdasensor.

If you use a program like VAGCOM or VCDS you can read the measurementblocks 030 and 033, where you can see if the lambda is adjusting normally or not.

And does your cooling water reach normal temperatures?

If I look for the sensor in the database I find 1K0998262H, it do cost 175 euro in Europe. So if you find a new one for 30 euro... it's probably counterfeit I guess? (replica). Pay attention to the fact that you need an connector with 6 poles for the AZQ-engine. (AWY = 4 poles)

Hopefully you can do something with this information,

good luck in advance

Thanks Joske, i think those 20 euro ones are definitely fake. meanwhile i think i have to measure the fuse first.
Best regards,